2015597448 has 96 divisors (see below), whose sum is σ = 5562516960. Its totient is φ = 659197440.

The previous prime is 2015597443. The next prime is 2015597449. The reversal of 2015597448 is 8447955102.

2015597448 is a `hidden beast` number, since 2 + 0 + 15 + 597 + 4 + 48 = 666.

It is a super-2 number, since 2×2015597448² = 8125266144768225408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2015597443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1480288 + ... + 1481648.

It is an arithmetic number, because the mean of its divisors is an integer number (57942885).

Almost surely, 2^2015597448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2015597448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781258480).

2015597448 is an abundant number, since it is smaller than the sum of its proper divisors (3546919512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015597448 is a wasteful number, since it uses less digits than its factorization.

2015597448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 2015597448 is about 44895.4056446759. The cubic root of 2015597448 is about 1263.1878311567.

The spelling of 2015597448 in words is "two billion, fifteen million, five hundred ninety-seven thousand, four hundred forty-eight".